Inventor
JIAFENG JIN
Inventor
CN
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere30%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds16%
E21BEarth or rock drilling9%
C04BLime, magnesia7%
C08LCompositions of macromolecular compounds7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%
Y02PClimate change mitigation technologies in the production or processing of goods5%
C07CAcyclic or carbocyclic compounds2%
C07DHeterocyclic compounds2%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%
PatentTitleYear
12,509,620Polycarboxylate thinner for carbonate/bicarbonate contamination resistant water-based drilling fluid and preparation method and application thereof202512,384,953Strongly adsorbed hyper-branched filtrate reducer for water-based drilling fluid with resistance to 240deg C. and saturated salinity, preparation method therefor and use thereof202512,378,458Phase change microcapsule for drilling fluid cooling and its preparation method and application202512,269,985High density environmentally friendly polymer water-based drilling fluid with resistance to 240deg C. and saturated salts, preparation method therefor and use thereof202512,264,279High-temperature and high-salt resistant hyperbranched lubricant for water-based drilling fluid, and preparation and application thereof202512,110,449Bio-enzyme degradable temporary plugging material and preparation method and application thereof202412,043,742Oil-soluble thermosensitive resin lost circulation material for protecting a reservoir as well as preparation method and application thereof202411,970,655High temperature and high salinity-resistant complementarily rigid-flexible plugging agent and method for preparing the same and water-based drilling fluid and use thereof202411,807,802Nano-organosilicon film-forming and hydrophobic shale surface hydration inhibitor and its preparation method and application202311,578,250Cementitious plugging wall solidifer for water-based drilling fluid, and a preparation method thereof and a water-based drilling fluid202311,472,999Water-based gel-consolidation type lost circulation material system suitable for fractured lost circulation formation, preparation method and use thereof202211,421,140High-temperature resistant, high-strength, and thixotropic gel plugging agent and its preparation method and application202211,384,275High temperature-resistant and high oil-absorption resin particle plugging agent suitable for oil-based drilling fluid and its preparation method2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022–2025Patents assigned to UNIV CHINA PETROLEUM EAST CHINA (13)· patent assignee history
2022–2025Based in CN· patent location history
2025Patents assigned to CHINA UNIVESITY OF PETROLEUM EAST CHINA (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV CHINA PETROLEUM EAST CHINA | 13 | 2022–2025 |
| CHINA UNIVESITY OF PETROLEUM EAST CHINA | 1 | 2025 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 13 | 2022–2025 |